Local Calling Guide

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-453 A Mansfield TX FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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